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Move script_run_callbacks to Lua

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This commit is contained in:
ShadowNinja 2013-12-07 22:03:07 -05:00
parent 96f753a108
commit a0dce51af6
2 changed files with 57 additions and 84 deletions
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39
builtin/misc_register.lua
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@ -314,6 +314,45 @@ minetest.register_item(":", {
groups = {not_in_creative_inventory=1},
})
function minetest.run_callbacks(callbacks, mode, ...)
assert(type(callbacks) == "table")
local cb_len = #callbacks
if cb_len == 0 then
if mode == 2 or mode == 3 then
return true
elseif mode == 4 or mode == 5 then
return false
end
end
local ret = nil
for i = 1, cb_len do
local cb_ret = callbacks[i](...)
if mode == 0 and i == 1 then
ret = cb_ret
elseif mode == 1 and i == cb_len then
ret = cb_ret
elseif mode == 2 then
if not cb_ret or i == 1 then
ret = cb_ret
end
elseif mode == 3 then
if cb_ret then
return cb_ret
end
ret = cb_ret
elseif mode == 4 then
if (cb_ret and not ret) or i == 1 then
ret = cb_ret
end
elseif mode == 5 and cb_ret then
return cb_ret
end
end
return ret
end
--
-- Callback registration
--